%0 Journal Article %A Beauzamy, Bernard %T How the Roots of a Polynomial Vary with its Coefficients: A Local Quantitative Result %J Canadian mathematical bulletin %D 1999 %P 3-12 %V 42 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1999-001-6/ %R 10.4153/CMB-1999-001-6 %F 10_4153_CMB_1999_001_6